1125024011 has 4 divisors (see below), whose sum is σ = 1191201912. Its totient is φ = 1058846112.

The previous prime is 1125023993. The next prime is 1125024023. The reversal of 1125024011 is 1104205211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125024011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 66177883 = 1125024011 / (1 + 1 + 2 + 5 + 0 + 2 + 4 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125024041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33088925 + ... + 33088958.

It is an arithmetic number, because the mean of its divisors is an integer number (297800478).

Almost surely, 2^1125024011 is an apocalyptic number.

1125024011 is a deficient number, since it is larger than the sum of its proper divisors (66177901).

1125024011 is an equidigital number, since it uses as much as digits as its factorization.

1125024011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66177900.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1125024011 is about 33541.3775954417. The cubic root of 1125024011 is about 1040.0493107167.

Adding to 1125024011 its reverse (1104205211), we get a palindrome (2229229222).

The spelling of 1125024011 in words is "one billion, one hundred twenty-five million, twenty-four thousand, eleven".